About this eBook

Preface This book on Environmental Engineering -I has been written to meet the requirement of the degree and P.G. student of G.B.T.U., M.T.U. and for other Indian Universities. The subject matter has been discussed in a simple way that the students will find no difficulty to understand it. The book contains a number of solved examples, so that the student may understand the subject matter easily. Sufficient diagrams, graphs have also been given in the chapter and most of the numerical have been selected from various university examination papers. This book will also be useful for the post- graduate student of some other universities. The author will feel ample rewarded if the book serves the purpose for which it is meet. My special thanks to the Mr. Rajeev Jain and the all other team members for their full co-operation and utmost efficiency with which they have brought out this book in the present form. Suggestions for the improvement of the book will be gratefully acknowledged. Asheesh Kumar Syllabus ENVIRONMENTAL ENGINEERING I UNIT-1 Water Supply Water demands and domestic use, variation in demands population forecasting by various methods using logistic curve method per capita supply, basic needs and factors affecting consumption design period. Sources of Water Kinds of water sources and their characteristics, collection of surface and ground water quality of surface and ground waters factors governing the selection of a source of water supply intakes and their design for lakes, streams and rivers, impounding reservoir and canal determination of the capacity of impounding reservoir. UNIT 2 Transmission of Water Various types of conduits, capacity and sizes including economical sizes of rising main, structural requirements laying and testing of water supply pipelines pipe materials, joints, appurtenances and valves leakages and control water hammer and its control measures. UNIT 3 Storage and Distribution of Water Methods of distribution, pressure and gravity distribution systems, concept of service and

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